Patent:US1369958
Patent: | US 1369958 |
Title: | Calculating Machine |
Date: | 01.03.1921 |
Place: | Newark, NJ |
Country: | USA |
Person: | Blaustein, Joseph |
Company: | Controller Comp., Inc. |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | US1369958 (espacenet), US1369958 (uspto) |